From 89e9d6b6db933c870443714c3d7c9539d117cddf Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 23 Jun 2008 17:13:14 -0600 Subject: gallium: added support for fixed-point formats, drawing --- src/gallium/auxiliary/translate/translate_generic.c | 18 ++++++++++++++++++ src/gallium/include/pipe/p_format.h | 5 +++++ src/mesa/state_tracker/st_cb_texture.c | 3 ++- src/mesa/state_tracker/st_draw.c | 14 ++++++++++++-- 4 files changed, 37 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/gallium/auxiliary/translate/translate_generic.c b/src/gallium/auxiliary/translate/translate_generic.c index 3fec89b36e..17e37d1745 100644 --- a/src/gallium/auxiliary/translate/translate_generic.c +++ b/src/gallium/auxiliary/translate/translate_generic.c @@ -121,6 +121,8 @@ emit_##NAME(const float *attrib, void *ptr) \ #define FROM_16_SNORM(i) ((float) ((short *) ptr)[i] / 32767.0f) #define FROM_32_SNORM(i) ((float) ((int *) ptr)[i] / 2147483647.0f) +#define FROM_32_FIXED(i) (((int *) ptr)[i] / 65536.0) + #define TO_64_FLOAT(x) ((double) x) #define TO_32_FLOAT(x) (x) @@ -140,6 +142,8 @@ emit_##NAME(const float *attrib, void *ptr) \ #define TO_16_SNORM(x) ((short) (x * 32767.0f)) #define TO_32_SNORM(x) ((int) (x * 2147483647.0f)) +#define TO_32_FIXED(x) ((int) (x * 65536.0f)) + ATTRIB( R64G64B64A64_FLOAT, 4, double, FROM_64_FLOAT, TO_64_FLOAT ) @@ -215,6 +219,11 @@ ATTRIB( R8_SNORM, 1, char, FROM_8_SNORM, TO_8_SNORM ) ATTRIB( A8R8G8B8_UNORM, 4, ubyte, FROM_8_UNORM, TO_8_UNORM ) //ATTRIB( R8G8B8A8_UNORM, 4, ubyte, FROM_8_UNORM, TO_8_UNORM ) +ATTRIB( R32G32B32A32_FIXED, 4, int, FROM_32_FIXED, TO_32_FIXED ) +ATTRIB( R32G32B32_FIXED, 3, int, FROM_32_FIXED, TO_32_FIXED ) +ATTRIB( R32G32_FIXED, 2, int, FROM_32_FIXED, TO_32_FIXED ) +ATTRIB( R32_FIXED, 1, int, FROM_32_FIXED, TO_32_FIXED ) + static void @@ -386,6 +395,15 @@ static fetch_func get_fetch_func( enum pipe_format format ) case PIPE_FORMAT_B8G8R8A8_UNORM: return &fetch_B8G8R8A8_UNORM; + case PIPE_FORMAT_R32_FIXED: + return &fetch_R32_FIXED; + case PIPE_FORMAT_R32G32_FIXED: + return &fetch_R32G32_FIXED; + case PIPE_FORMAT_R32G32B32_FIXED: + return &fetch_R32G32B32_FIXED; + case PIPE_FORMAT_R32G32B32A32_FIXED: + return &fetch_R32G32B32A32_FIXED; + default: assert(0); return &fetch_NULL; diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h index 579fdb2957..00aa02311c 100644 --- a/src/gallium/include/pipe/p_format.h +++ b/src/gallium/include/pipe/p_format.h @@ -83,6 +83,7 @@ static INLINE uint pf_layout(uint f) /**< PIPE_FORMAT_LAYOUT_ */ #define PIPE_FORMAT_TYPE_USCALED 4 /**< uints, not normalized */ #define PIPE_FORMAT_TYPE_SSCALED 5 /**< ints, not normalized */ #define PIPE_FORMAT_TYPE_SRGB 6 /**< sRGB colorspace */ +#define PIPE_FORMAT_TYPE_FIXED 7 /**< 16.16 fixed point */ /** @@ -353,6 +354,10 @@ enum pipe_format { PIPE_FORMAT_R8G8B8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SSCALED ), PIPE_FORMAT_R8G8B8A8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SSCALED ), PIPE_FORMAT_R8G8B8X8_SSCALED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SSCALED ), + PIPE_FORMAT_R32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_FIXED ), + PIPE_FORMAT_R32G32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_FIXED ), + PIPE_FORMAT_R32G32B32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_FIXED ), + PIPE_FORMAT_R32G32B32A32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_FIXED ), /* sRGB formats */ PIPE_FORMAT_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB ), PIPE_FORMAT_A8_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ), diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index da45a5e321..7d52d1da1b 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -1161,7 +1161,8 @@ do_copy_texsubimage(GLcontext *ctx, (void) texImage; - /* XX need this? st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);*/ + /* XX need this?*/ + st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); /* determine if copying depth or color data */ if (baseFormat == GL_DEPTH_COMPONENT) { diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 5300848ef6..6867d50c87 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -147,6 +147,14 @@ static GLuint byte_types_scale[4] = { PIPE_FORMAT_R8G8B8A8_SSCALED }; +static GLuint fixed_types[4] = { + PIPE_FORMAT_R32_FIXED, + PIPE_FORMAT_R32G32_FIXED, + PIPE_FORMAT_R32G32B32_FIXED, + PIPE_FORMAT_R32G32B32A32_FIXED +}; + + /** * Return a PIPE_FORMAT_x for the given GL datatype and size. @@ -154,8 +162,8 @@ static GLuint byte_types_scale[4] = { static GLuint pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized) { - assert(type >= GL_BYTE); - assert(type <= GL_DOUBLE); + assert((type >= GL_BYTE && type <= GL_DOUBLE) || + type == GL_FIXED); assert(size >= 1); assert(size <= 4); @@ -169,6 +177,7 @@ pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized) case GL_UNSIGNED_INT: return uint_types_norm[size-1]; case GL_UNSIGNED_SHORT: return ushort_types_norm[size-1]; case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1]; + case GL_FIXED: return fixed_types[size-1]; default: assert(0); return 0; } } @@ -182,6 +191,7 @@ pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized) case GL_UNSIGNED_INT: return uint_types_scale[size-1]; case GL_UNSIGNED_SHORT: return ushort_types_scale[size-1]; case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1]; + case GL_FIXED: return fixed_types[size-1]; default: assert(0); return 0; } } -- cgit v1.2.3